Electric coil box



E. A. SANDUNG.

ELECTRIC COIL BOX.. APPLICATION ruwmmzo. m9;

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STATES PATENT crates;

ELECTRIC COIL BOX.

Specification of Letters Patent. Patented J 11119 13, 1922 Application filed January 20, 1919. Serial No. 272,124.

To all whom it may concern:

Be it known that I, ELMER A. SANDLING, a citizen of the United States, residing at Moss Point, in the county of Jackson and State of Mississippi, have invented certain new and useful Improvements in Electric Coil Boxes; and I do hereby declare the .following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to certain new and useful improvements in' a combined support and waterproof housing for use in connection with an electric coil box.

In practice at the present time, great dif-' ficulty is experienced in adequately supporting and properly protecting the usual coil box of an ignition system from the absorption of moisture. This is particularly true in the case of Ford automobiles, and also exposed coils in the ignition system of motorboats, where much trouble, delay, and expense iscaused by the accumulation of water and moisture about the coil andits terminal connections.

'An object of the present invention is to overcome these difficulties, and produce an economical support of moisture-proof material and construction, whereby the ,usual coils now employed can be similarly located in. their relatively exposed positions without danger of short oireuiting, reduction in the force or strength of the spark, and other like trouble now experienced.

Another object of this invention is the production of a one-piece supporting shelf having integral terminal housings which can be quickly positioned against the usual front or 'dashboard'of an automobile. V

'A further object is to provide a readily attachable moisture-proof support to which the electrical connection can be easily se-' cured and in such a manner as to render them free from the collection or seepage of moisture,

With these and other objects in view, the invention further consists in the construction-and arrangement of the several'parts hereinafter described and appended claims. In the accompanying drawings illustrat- 111%811 embodiment of my invention,

pointed out in the igure 1 is a sectional elevation illustratbox of the Ford automobile, but it will be understood that other exposed coil boxes can be retained therein. Many attempts have been made as temporary expedients ,to prevent the wetting of the coil box and its connections, some of the most common being to protect the coil by moisture-proof coverings and water-shedding shields. These do not prove satisfactory, for the seepage of the moisture and water down the windshield over the coil and down the dash or front board is not easily prevented by coverings.

The penetrating qualities of all moisture and mist easily affect the wooden box, in which the coil is ordinarily supported, and readily enter the several joints in the wooden structure, at particularly the terminal connections. I

The drying of the wooden box, or its cementing have many times been attempted, but the process causes much delay, inconvenience, and at the most is only temporary.

The herein described invention has been designed to overcome these difliculties and comprises a one-piecesupporting shelf 1 having a supporting base 2, and a vertical Wall 3 formed integral therewith trom which latter integral terminal housings or casings 4 extend. The material from which the onepiece shelf is made may be hard rubber,

porcelain, or other insulating and moistureproof material, and I do not limit myself to the exact kind described.

The support as shown in Figure 1 is applied to the dash or front board 5 of a well known automobile, the terminal housings 4 extending through openings 6 formed in said front board 5. The usual cowl 7 and hood 8 of the automobile are fragmentally shown as illustrating the manner in which the water and moisture readily gravitate over the cowl and seep down the front dash board 5 intocontact with the coil box.

The vertical wall 8 of the onepiece shelf is recessed as indicated at 9, said recesses terminating short of the base portion 2; Into these recesses the electrical connections 10 and 11 of the respective high and lowtension terminals are inserted. Each high ten sion connection 10 is formed on the end of the terminal 12, to the outer end of which latter is secured an electrical conductor leading to the spark plugs of the explosive engine. Each low tension connection 11 is formed on the end of the terminal 13 to the outer end of which latter-issecured an electrical conductor leading to the commutator or timer of the engine.

The terminal housings or casings 1 completely encase the respective high and low tension terminals 12 and 13, and prevent the accumulation of water or moisture thereon. Another series of electrical connections 14 are provided ina recessed portion 15 formed in the base portion 2 of the shelf 1. This recess 15 extends through to the respective ends of the base and receives a bar upon which the electrical connections 14 are p ro vided.

The coils of the electrical system are 1 adapted to be interposed between the elec trical connections 10, 11 and let in the usual manner, and are preferably encased as indicated at 16 in Figure 1. The construction of the coils and vibrator form no part of the present invention, and hence a further description thereof will not be given.

Extending through two of the terminal housings or casings 4;, are battery and magneto terminals 17 and 18, respectively. These terminals are connected to theconducto'rs 19 and 20, respectively, which in turn lead to the usual switch contained in the-casing 21, asshown in Figure 1. These conductors are adapted to snugly -lie in grooves or ducts 22 formed in the one-piece shelf as shown. Another conductor, not shown, is also interposed in the groove 23 between the bar provided with the connections .14 and the switch. The base 2 of the shelf cut awayas at 24' to facilitate the I outlet of the conductors19and 20 and their connec ion'to the switch in a snug and compa t: m ne The coils are further encased in a boxlike structure 25, the body portion 26 of which is secured to and extends beneath the base portion 2 and is provided with a tongue or upturned edge 27 designed to spring into a groove 28 formed on the under side of said base portion 2. The upper portion or cover section 29 of the box-like structure engages the outside surfaceof the vertical wall 3 as shown in Figure 1, and is readily removable.

From the foregoing it will be obvious that practical advantages in construction are. obtained whereby the water and moisture now admitted againstthe dash or front board of the automobile by its gravitation down the front of the machine, are excluded from contact with thecoils and their respective electrical connections, thus ensuring steady operation of the ignition system, devoid of electrical connections against which the coils a are positioned, a series of'terminal housings extending from the aforesaid vertical wall, and terminal connections extending from the aforesaid electrical connections and passing through said "terminal housings. I

3. A one-piece moisture-proof supporting shelf for electric coils, said shelf comprising a vertical wall provided with a series .of spaced recesses, coil connections secured therein, a series of terminal housingsextend ing from said vertical wall and having terminal connections therein, a supporting base extending from said vertical wall and formed integral therewith, a recess in said base and other coil connections positioned therein.

4;. A one-piece moisture-proof supporting shelf for "electrical coils, said shelf comprising a vertical wall provided with a series of spaced recesses, coil connections arranged in a recess formed in said supporting base, other coil connections secured therein, and series of'ducts insaid shelf adaptecl'to.reeeive eleer trical conductors.

5. A combinedv support and housing for electric coils comprising an angular shelf formed of a material impervious to water, having terminal casings extend-ing from one side of the said angular shelf abox-like member secured to said shelf, and a cover designed to engage the said shelf and boX- aforesaid tongue, and a cover designed to like member. engage the upper edges of said shelf and box 6. A combined support and housing for like member.

electric coils comprising an integral, angular In testimony whereof I aflix my signature, 5 shelf formed of a matl-erial impervious to in presence of two subscribing Witnesses.

Water, having termina casings extending from one side of the said angular shelf, a ELMER SANDLING' box-like member secured to said shelf, a Witnesses:

tongue on said box member, a groove pro- EDWARD W. HAGAN, 10 vided in said shelf adapted to receive the JAMEs F. WOOLARD. 

